package cn.tedu_;

public class Test1 {
    public static void main(String[] args) {
        Integer i=new Integer(6);
        Integer i2=Integer.valueOf(6);
        System.out.println(i.intValue());
        int i1=i.parseInt("456");
        System.out.println(i1);
        System.out.println(Integer.parseInt("789"));
        String a="abc";

    }
}
